[Taf]

Bus services are a "vital lifeline" suffering from traffic congestion

Poor service reliability is often caused by congestion along the route... it increases journey times, makes bus trips unpredictable, increases operational costs (and subsequently fares), undermines passenger confidence, and reinforces negative perceptions of the bus.

Assessment of the full range of tools available and how useful they might be in tackling congestion's impact on Welsh bus services, e.g. park and ride schemes, congestion charging, higher parking charges, workplace parking levies, and bus priority measures

http://www.bbc.co.uk/news/uk-wales-politics-40739874

And perhaps ban bicycles from bus lanes as they are a major cause of congestion (as are bus lanes themselves)?